From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/net/ethernet/toshiba/ps3_gelic_net.c | 64 +++++++++++++-------------------
1 files changed, 26 insertions(+), 38 deletions(-)
diff --git a/kernel/drivers/net/ethernet/toshiba/ps3_gelic_net.c b/kernel/drivers/net/ethernet/toshiba/ps3_gelic_net.c
index 75237c8..524098a 100644
--- a/kernel/drivers/net/ethernet/toshiba/ps3_gelic_net.c
+++ b/kernel/drivers/net/ethernet/toshiba/ps3_gelic_net.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* PS3 gelic network driver.
*
@@ -10,20 +11,6 @@
*
* Authors : Utz Bacher <utz.bacher@de.ibm.com>
* Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#undef DEBUG
@@ -330,15 +317,17 @@
/* set up the hardware pointers in each descriptor */
for (i = 0; i < no; i++, descr++) {
- gelic_descr_set_status(descr, GELIC_DESCR_DMA_NOT_IN_USE);
- descr->bus_addr =
- dma_map_single(ctodev(card), descr,
- GELIC_DESCR_SIZE,
- DMA_BIDIRECTIONAL);
+ dma_addr_t cpu_addr;
- if (!descr->bus_addr)
+ gelic_descr_set_status(descr, GELIC_DESCR_DMA_NOT_IN_USE);
+
+ cpu_addr = dma_map_single(ctodev(card), descr,
+ GELIC_DESCR_SIZE, DMA_BIDIRECTIONAL);
+
+ if (dma_mapping_error(ctodev(card), cpu_addr))
goto iommu_error;
+ descr->bus_addr = cpu_to_be32(cpu_addr);
descr->next = descr + 1;
descr->prev = descr - 1;
}
@@ -378,28 +367,28 @@
*
* allocates a new rx skb, iommu-maps it and attaches it to the descriptor.
* Activate the descriptor state-wise
+ *
+ * Gelic RX sk_buffs must be aligned to GELIC_NET_RXBUF_ALIGN and the length
+ * must be a multiple of GELIC_NET_RXBUF_ALIGN.
*/
static int gelic_descr_prepare_rx(struct gelic_card *card,
struct gelic_descr *descr)
{
+ static const unsigned int rx_skb_size =
+ ALIGN(GELIC_NET_MAX_FRAME, GELIC_NET_RXBUF_ALIGN) +
+ GELIC_NET_RXBUF_ALIGN - 1;
+ dma_addr_t cpu_addr;
int offset;
- unsigned int bufsize;
if (gelic_descr_get_status(descr) != GELIC_DESCR_DMA_NOT_IN_USE)
dev_info(ctodev(card), "%s: ERROR status\n", __func__);
- /* we need to round up the buffer size to a multiple of 128 */
- bufsize = ALIGN(GELIC_NET_MAX_MTU, GELIC_NET_RXBUF_ALIGN);
- /* and we need to have it 128 byte aligned, therefore we allocate a
- * bit more */
- descr->skb = dev_alloc_skb(bufsize + GELIC_NET_RXBUF_ALIGN - 1);
+ descr->skb = netdev_alloc_skb(*card->netdev, rx_skb_size);
if (!descr->skb) {
descr->buf_addr = 0; /* tell DMAC don't touch memory */
- dev_info(ctodev(card),
- "%s:allocate skb failed !!\n", __func__);
return -ENOMEM;
}
- descr->buf_size = cpu_to_be32(bufsize);
+ descr->buf_size = cpu_to_be32(rx_skb_size);
descr->dmac_cmd_status = 0;
descr->result_size = 0;
descr->valid_size = 0;
@@ -410,11 +399,10 @@
if (offset)
skb_reserve(descr->skb, GELIC_NET_RXBUF_ALIGN - offset);
/* io-mmu-map the skb */
- descr->buf_addr = cpu_to_be32(dma_map_single(ctodev(card),
- descr->skb->data,
- GELIC_NET_MAX_MTU,
- DMA_FROM_DEVICE));
- if (!descr->buf_addr) {
+ cpu_addr = dma_map_single(ctodev(card), descr->skb->data,
+ GELIC_NET_MAX_FRAME, DMA_FROM_DEVICE);
+ descr->buf_addr = cpu_to_be32(cpu_addr);
+ if (dma_mapping_error(ctodev(card), cpu_addr)) {
dev_kfree_skb_any(descr->skb);
descr->skb = NULL;
dev_info(ctodev(card),
@@ -794,7 +782,7 @@
buf = dma_map_single(ctodev(card), skb->data, skb->len, DMA_TO_DEVICE);
- if (!buf) {
+ if (dma_mapping_error(ctodev(card), buf)) {
dev_err(ctodev(card),
"dma map 2 failed (%p, %i). Dropping packet\n",
skb->data, skb->len);
@@ -930,7 +918,7 @@
data_error = be32_to_cpu(descr->data_error);
/* unmap skb buffer */
dma_unmap_single(ctodev(card), be32_to_cpu(descr->buf_addr),
- GELIC_NET_MAX_MTU,
+ GELIC_NET_MAX_FRAME,
DMA_FROM_DEVICE);
skb_put(skb, be32_to_cpu(descr->valid_size)?
@@ -1163,7 +1151,7 @@
* gelic_net_poll_controller - artificial interrupt for netconsole etc.
* @netdev: interface device structure
*
- * see Documentation/networking/netconsole.txt
+ * see Documentation/networking/netconsole.rst
*/
void gelic_net_poll_controller(struct net_device *netdev)
{
@@ -1418,7 +1406,7 @@
*
* called, if tx hangs. Schedules a task that resets the interface
*/
-void gelic_net_tx_timeout(struct net_device *netdev)
+void gelic_net_tx_timeout(struct net_device *netdev, unsigned int txqueue)
{
struct gelic_card *card;
--
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